src/HOL/Induct/Acc.ML
changeset 6301 08245f5a436d
parent 5618 721671c68324
child 7453 18df56953792
--- a/src/HOL/Induct/Acc.ML	Wed Mar 03 11:12:29 1999 +0100
+++ b/src/HOL/Induct/Acc.ML	Wed Mar 03 11:15:18 1999 +0100
@@ -45,7 +45,7 @@
 
 Goal "!x. x : acc(r) ==> wf(r)";
 by (rtac wfUNIVI 1);
-by(deepen_tac (claset() addEs [acc_induct]) 1 1);
+by (deepen_tac (claset() addEs [acc_induct]) 1 1);
 qed "acc_wfI";
 
 Goal "wf(r) ==> x : acc(r)";